Method and article for inserting valve spool into secondary bore
US5694964A · kind A · utility
3Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1996 |
| Grant date | Dec 9, 1997 |
| Priority date | — |
| Expiry date | Sep 20, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8671
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method and valve assembly for inserting a spool into a secondary bore of a valve body. A slave tool is inserted into a primary bore axially adjacent a secondary bore of the valve body. The slave tool includes a slave bore axially aligned with the secondary bore. The spool is inserted through the slave bore into the secondary bore. A chamfer is provided on a first end of the secondary bore or spool adjacent the slave tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.